Question

What is the value of each expression (-2)^4; -2^4​

Answer 1

The answer is +16

Explanation:

Based on the question given (-2)^4

It means -2 appears in four places

That is (-2×-2)×(-2×-2)

Remember that- ×- =+

Therefore opening the first bracket

-2×-2=+4

Opening the second bracket

-2×-2=+4

Lastly bringing the two values together

+4×+4=+16

Therefore the answer is +16